1320122303 has 4 divisors (see below), whose sum is σ = 1320210840. Its totient is φ = 1320033768.

The previous prime is 1320122203. The next prime is 1320122333. The reversal of 1320122303 is 3032210231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1320122303 - 2¹⁶ = 1320056767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320122333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15800 + ... + 53757.

It is an arithmetic number, because the mean of its divisors is an integer number (330052710).

Almost surely, 2^1320122303 is an apocalyptic number.

1320122303 is a deficient number, since it is larger than the sum of its proper divisors (88537).

1320122303 is an equidigital number, since it uses as much as digits as its factorization.

1320122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88536.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320122303 is about 36333.4873498265. The cubic root of 1320122303 is about 1096.9951886471.

Adding to 1320122303 its reverse (3032210231), we get a palindrome (4352332534).

The spelling of 1320122303 in words is "one billion, three hundred twenty million, one hundred twenty-two thousand, three hundred three".